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Railway-Brake Hanger

Description: Patent for "improvements to Railway-Break Hanger;...will enable others skilled in the art to which it appertains to make and use the same"(lines 6, 9-11).
Date: February 26, 1901
Creator: Saling, Thomas W.
Partner: UNT Libraries Government Documents Department

Air-Valve Cage for Air-Brake Pumps

Description: Patent for an air valve cage for air brake pumps which reduces the wear on the air brake pump and substantially reduces the maintenance costs of the system.
Date: February 16, 1909
Creator: Mattingly, James
Partner: UNT Libraries Government Documents Department
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